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Building

Build Requirements

  • This project is buildable, for now only on Linux
  • usd-0.7.5 built with ptex-2.40 (<2.41)
  • Qt-5.6.1
  • google test framework (>1.8.0) to build and run the tests
  • It has been tested on CentOS 6.6

Supported Maya Versions

  • maya-2016 - have done limited testing (via docker). Selection probably broken. Does it work in VP1?
  • maya-2017 - Update 3 recommended for viewport selection fixes

Using Cmake

Start with preparing the repository ready for a build

git clone <git_path_to_AL_UsdMaya>
cd AL_USDMaya
mkdir build
cd build

Fill out the paths below then run the following commands to build and install

cmake \
      -DCMAKE_INSTALL_PREFIX='/path/to/install' \
      -DCMAKE_MODULE_PATH='/paths/to/folders/which/have/cmake/files' \
      -DCMAKE_BUILD_TYPE=RelWithDebInfo \
      -DBOOST_ROOT='/path/to/boost' \
      -DMAYA_LOCATION='/path/to/maya' \
      -DOPENEXR_LOCATION='/path/to/openexr'\
      -DOPENGL_gl_LIBRARY='/path/to/libglfw.so'\
      -DGLEW_LOCATION='/path/to/glew'\
      -DUSD_CONFIG_FILE='/path/to/pxrConfig.cmake'\
      -DGTEST_ROOT='/path/to/googletest'\
      -DCMAKE_PREFIX_PATH='/path/to/maya/lib/cmake'
      ..

make -j <NUM_CORES> install

Using Rez

git clone <git_path_to_AL_UsdMaya>
cd AL_USDMaya
<edit package names to match your internal named rez packages>
rez build --build-target RelWithDebInfo --install -- -- -j 8

Using AL's Docker scripts

Prerequisites

AL_USDMaya's DockerFile needs to be based on a docker image that contains Maya and usd. Build the wanted flavour of docker files from the docker-usd repository that contain the OS and maya version you would like to base your AL_USDMaya package on:

For example I want to base it on centos6 with maya2016 installed:

git clone https://github.com/AnimalLogic/docker-usd
cd docker-usd/linux
sudo ./build-centos6_maya2016.sh

Build AL_USDMaya with Docker

To build AL_USDMaya's docker image:

git clone https://github.al.com.au/rnd/AL_USDMaya
cd AL_USDMaya
sudo ./build_docker_centos6.sh

Feel free to use any flavour of the build_docker_*.sh scripts. You just need to make sure you build the same flavour in the docker-usd repository.

Running

AL_USDMaya is made of several plugins:

  • AL_USDMayaPlugin.so (maya plugin): its path has to be added to MAYA_PLUG_IN_PATH
  • libAL_USDMaya.so, libAL_USDMayaSchemas.so, libAL_USDMayaTranslators.so (usd plugins): they need to be setup properly (using PXR_PLUGINPATH) for them to register types used by AL_USDMaya.
  • python bindings are also available, they have to be added to PYTHONPATH. See the docker scripts for a configuration example.

A note on VP2

If you need to use VP2, it won't work with the current ProxyShape implementation unless you set Legacy Profile - can to this via env vars, options etc. e.g you can also use the following MEL code to switch the Maya preferences to use the Viewport 2.0 based OpenGL Legacy Mode profile:

optionVar -sv "vp2RenderingEngine" "OpenGL";

or env var:

MAYA_VP2_DEVICE_OVERRIDE=VirtualDeviceGL

will force VP2 to use the "OpenGL -- Legacy" profile

see Autodesk docs

For selection to work, also need to set

MAYA_VP2_USE_VP1_SELECTION=1

as mentioned here: http://help.autodesk.com/view/MAYAUL/2017/ENU/?guid=__files_GUID_343690A7_F76D_4CD2_A964_E10DA7B5BDF8_htm

How to run the tests

Unit tests of AL_USDMaya have been wrapped into a regular maya plugin (AL_USDMayaTestPlugin). Its path simply needs to be part of the MAYA_PLUG_IN_PATH environment variable and then it can be loaded.

AL_USDMayaPlugin and AL_USDMayaTestPlugin cannot be loaded at the same time.

Once the test plugin loaded, you can run the AL_usdmaya_UnitTestHarness command. This test command does not need an interactive maya instance and can be run in a maya batch session.

Our internal development workflow

We use git and github at Animal Logic. This repository and it's companions are git subtrees of our internal repo. This repo contains almost everything in our internal repo except for some of the Rez files we use internally for building (we do provide examples). Rez is an excellent package management system used by many studios in our industry, and you can find the source here. We run AL_USDMaya unit tests on our internal Jenkins server